Choosing a system

Foreign Currency Exchange Market is one of the biggest trading market in the world with over USD 1.3 Trillion traded in a day. It\'s drawing attention ever since it\'s open to Online trading. I\'m aware of that FOREX Trading can be very profitable if you take your time to a proper research, understanding varoous options and choose a system that works for you. The most used FOREX trading system may not be the most suitable for your needs.
There are many different kinds of FOREX trading system and I need to know few facts before choosing a system. Many of my friend advising me to use FXCM (Forex Capital Markets)
I trust them, however I would like to get some tips from you, guys. can you help me please. What do you recoment.